MrCool DIY Series Ductless Mini-Split Heat Pump (2nd Gen) 17.5 SEER - 12,000 BTU with WiFi

4.3 star rating 3 Reviews
12,000 BTU Cooling / 12,000 BTU Heating 17.5 SEER. High Efficiency Do-It-Yourself Air Conditioning You can install this unit at your home without a HVAC technicial. Just follow the instructions for private installation. Warranty: five (5) years on all parts to the original registered end-user, seven (7) years on compressor. 2nd Generation Units Now with WiFi! Kit included to control your unit via Smart Phone APP!

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Availability: Ships in 7-14 Days

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Additional Information

Name MrCool DIY Series Ductless Mini-Split Heat Pump (2nd Gen) 17.5 SEER - 12,000 BTU with WiFi
UPC 853962006845
Weight (lbs) 93.00
Warranty 5 Year
Voltage 115v
Amps 15.0A / 20.0 A Max Fuse
ETL Listed Yes
MSRP $1,599.99
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A MRCOOL DIY Series heat pump is the only ductless mini-split system on the market explicitly designed for amateur installation. You don't need special tools or training to install this high efficiency heat pump. These units come with linesets precharged with R410A refrigerant, the quick hook-up electrical connections, and the quality engineering mean just about anyone can install a MRCOOL DIY in their home with no problem at all in only a few short hours. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use MRCOOL DIYSeries ductless heat pump .

Do It Yourself Series 12,000 BTU Wall Mount Air Handler 115-120 volt
Do It Yourself Series 12,000 BTU Condenser Heat Pump 115-120 volt

2nd Generation MRCool DIY Unit Features

REMOTE APP: WiFi Control
Control your DIY anywhere with your Apple or Android smart device and an internet connection.

Cooling down to 5°F - This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.

Easy DIY Installation:
You can install this innovative ductless system without special tools, equipment, or training.

Auto Restart: Power outage? Don't worry, the MrCool DIY auto restart will have the unit running again in no time at all.

Temp Compensation: The system constantly monitors interior air temperature in order to deliver the maximum possible comfort.

Gold Fin Condenser: Live on the coast? Don't worry, our condenser is built to resist long term corrosion.

Simple Connections: Precharged 410 Quick Connect Lineset. These unique linesets are a cinch to get working. You'll probably do it in less than 15 minutes.

Leakage Detection: When the MrCool DIY detects low coolant an alarm will sound to alert you to the problem. This will prevent damage to the compressor while you maintain high air comfort.

Sleep Mode: We made Sleep Mode easy to program to save money, and let you sleep a little easier.

Louver Position Memory: Horizontal louver will automatically move to the same position as you set last time the unit was turned on.

Warranty Manufacturer serviced warranty, 7 Year Compressor, 5 Year Parts.


  • WiFi Control w/ Remote Control App (WiFi Required) Control your system anywhere with an internet connection. The MRCOOL 2nd generation DIY offers the integration of the MRCOOL Remote App. Use your Apple or Android smart device to change modes, adjust temperature, alter fan speed, and more.
  • Two way draining connections further simplify installation and add flexibility.
  • Mr Cool DIY temperature compensation technology help keeps you comfortable in any weather conditions.
  • Unlike any other ductless heat pump on the market, the Mr Cool DIY Series is specifically designed for easy, simple installation.
  • Refrigerant leakage detection ensures your system remains operating efficiently without degradation due to undetected corrosion.
  • Quick Connect: Most people can't do their own electrical work, and that's why the quick electrical connections on the Mr Cool DIY are a feature many will appreciate.
  • Pre-charged Linesets: One of the most difficult aspects of typical heat pump installation is dealing with the refrigerant inside the coils. The Mr Cool DIY Series comes with 410 Quick Connect precharged linesets alleviating one major obstacle to amateur installation in a single stroke.


Installation kit: 25 feet quick connect pre-charge insulated line set,quick connect air handler wire to condenser,16 feet condensate drain.

Installation plate,clip anchor,screws.remote controller,wall sleeves,quick connect sound tape,line set wrapping tape,manuals,operation & installation.


Model: DIY-12-HP-C-115A
Cooling Capacity 12000 BTU/h

Heating Capacity 12000BTU/h

Indoor noise level: : (Hi/Mi/Lo) 40.5/-/24
Power supply 115,60,1 V~Hz.Ph
Min. Circuit Ampacity 15.0A
Max. Fuse 20.0A
Indoor Net Dimensions 31.57x7.44x11.69
Outdoor Net Dimensions 30.31x11.81x21.85
Indoor Packing Dimensions 34.45x11.22x14.76
Outdoor Packing Dimensions 35.43x13.58x23.03
Indoor Net Weight: 18.7lbs
Outdoor Net Weight: 65.0lbs
Indoor Gross Weight: 22.5lbs
Outdoor Gross Weight: 70.5lbs
Refrigerant: (R410A) 33.9oz
Piping Size: (Liquidside/Gasside) 1/4″-1/2″